Donegal Investor Presentation – February 2023

Forward-Looking Statement

We base all statements contained in this presentation that are not historic facts on our current expectations. Such statements are forward-looking in nature (as defined in the Private Securities Litigation Reform Act of 1995) and necessarily involve risks and uncertainties. Forward-looking statements we make may be identified by our use of words such as "will," "expect," "intend," "plan," "anticipate," "believe," "seek," "estimate" and similar expressions. Our actual results could vary materially from our forward-looking statements. The factors that could cause our actual results to vary materially from the forward-looking statements we have previously made include, but are not limited to, prolonged economic challenges resulting from the COVID-19 pandemic, adverse litigation and other trends that could increase our loss costs (including labor shortages and escalating medical, automobile and property repair costs), adverse and catastrophic weather events, our ability to maintain profitable operations (including our ability to underwrite risks effectively and charge adequate premium rates), the adequacy of the loss and loss expense reserves of our insurance subsidiaries, the availability and successful operation of the information technology systems our insurance subsidiaries utilize, the successful development of new information technology systems to allow our insurance subsidiaries to compete effectively, business and economic conditions in the areas in which we and our insurance subsidiaries operate, interest rates, competition from various insurance and other financial businesses, terrorism, the availability and cost of reinsurance, legal and judicial developments including those related to COVID-19 business interruption coverage exclusions, changes in regulatory requirements, our ability to attract and retain independent insurance agents, changes in our A.M. Best rating and the other risks that we describe from time to time in our filings with the Securities and Exchange Commission. We disclaim any obligation to update such statements or to announce publicly the results of any revisions that we may make to any forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date of such statements.

Reconciliations of non-GAAP data are included in the financial supplement section of this presentation.

Company Overview

Donegal Group Inc. is an insurance holding company whose insurance subsidiaries and affiliates offer commercial and personal lines of property and casualty insurance to businesses and individuals in 24 Mid-Atlantic, Midwestern, New England, Southeand Southwestestates through approximately 2,300 independent insurance agencies.

The Company offers full lines of commercial products (approx. 62% of 2022 NPW) and personal products (approx. 38% of 2022 NPW), including commercial multi-peril, automobile, homeowners, workers' compensation and other coverages.

Strategies to Provide Value to Stakeholders

Continued shift to a higher proportion of commercial lines while maintaining a

profitable book of personal lines